Finally, after six months, succeeded in attaching a particle emitter to the cursor.
This is the beginning of a gestural magic system, since the player can now trace sigils in the air because the cursor leaves behind a trail of glowing particles (in this case, fire) which look like a will o’ the wisp.
Here’s a video of the feature out of context
And here’s a longer video of the complete build, with the particle emitter feature in context
Interested readers might want to watch these videos in conjunction with this previous video of a recent build, which lacks the sigil drawing feature but also showcases the game’s spellcasting interfaces as they’re evolving.